X-Git-Url: https://git.saurik.com/ldid.git/blobdiff_plain/b73d233368c114a6ece242efc265e2a45716653b..cdd9c0fdae31bc0f7b12884cce015b79e817367d:/ldid.cpp diff --git a/ldid.cpp b/ldid.cpp index 62b7498..d7fdf7a 100644 --- a/ldid.cpp +++ b/ldid.cpp @@ -51,20 +51,36 @@ #ifdef __APPLE__ #include + #define LDID_SHA1_DIGEST_LENGTH CC_SHA1_DIGEST_LENGTH #define LDID_SHA1 CC_SHA1 #define LDID_SHA1_CTX CC_SHA1_CTX #define LDID_SHA1_Init CC_SHA1_Init #define LDID_SHA1_Update CC_SHA1_Update #define LDID_SHA1_Final CC_SHA1_Final + +#define LDID_SHA256_DIGEST_LENGTH CC_SHA256_DIGEST_LENGTH +#define LDID_SHA256 CC_SHA256 +#define LDID_SHA256_CTX CC_SHA256_CTX +#define LDID_SHA256_Init CC_SHA256_Init +#define LDID_SHA256_Update CC_SHA256_Update +#define LDID_SHA256_Final CC_SHA256_Final #else #include + #define LDID_SHA1_DIGEST_LENGTH SHA_DIGEST_LENGTH #define LDID_SHA1 SHA1 #define LDID_SHA1_CTX SHA_CTX #define LDID_SHA1_Init SHA1_Init #define LDID_SHA1_Update SHA1_Update #define LDID_SHA1_Final SHA1_Final + +#define LDID_SHA256_DIGEST_LENGTH SHA256_DIGEST_LENGTH +#define LDID_SHA256 SHA256 +#define LDID_SHA256_CTX SHA256_CTX +#define LDID_SHA256_Init SHA256_Init +#define LDID_SHA256_Update SHA256_Update +#define LDID_SHA256_Final SHA256_Final #endif #ifndef LDID_NOPLIST @@ -459,15 +475,30 @@ struct encryption_info_command { #define BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED 0xb0 #define BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB 0xc0 -inline void get(std::streambuf &stream, void *data, size_t size) { - _assert(stream.sgetn(static_cast(data), size) == size); +static std::streamsize read(std::streambuf &stream, void *data, size_t size) { + auto writ(stream.sgetn(static_cast(data), size)); + _assert(writ >= 0); + return writ; } -inline void put(std::streambuf &stream, const void *data, size_t size) { +static inline void get(std::streambuf &stream, void *data, size_t size) { + _assert(read(stream, data, size) == size); +} + +static inline void put(std::streambuf &stream, const void *data, size_t size) { _assert(stream.sputn(static_cast(data), size) == size); } -inline void pad(std::streambuf &stream, size_t size) { +static size_t most(std::streambuf &stream, void *data, size_t size) { + size_t total(size); + while (size > 0) + if (auto writ = read(stream, data, size)) + size -= writ; + else break; + return total - size; +} + +static inline void pad(std::streambuf &stream, size_t size) { char padding[size]; memset(padding, 0, size); put(stream, padding, size); @@ -951,6 +982,34 @@ class Map { namespace ldid { +std::string Analyze(const void *data, size_t size) { + std::string entitlements; + + FatHeader fat_header(const_cast(data), size); + _foreach (mach_header, fat_header.GetMachHeaders()) + _foreach (load_command, mach_header.GetLoadCommands()) + if (mach_header.Swap(load_command->cmd) == LC_CODE_SIGNATURE) { + auto signature(reinterpret_cast(load_command)); + auto offset(mach_header.Swap(signature->dataoff)); + auto pointer(reinterpret_cast(mach_header.GetBase()) + offset); + auto super(reinterpret_cast(pointer)); + + for (size_t index(0); index != Swap(super->count); ++index) + if (Swap(super->index[index].type) == CSSLOT_ENTITLEMENTS) { + auto begin(Swap(super->index[index].offset)); + auto blob(reinterpret_cast(pointer + begin)); + auto writ(Swap(blob->length) - sizeof(*blob)); + + if (entitlements.empty()) + entitlements.assign(reinterpret_cast(blob + 1), writ); + else + _assert(entitlements.compare(0, entitlements.size(), reinterpret_cast(blob + 1), writ) == 0); + } + } + + return entitlements; +} + static void Allocate(const void *idata, size_t isize, std::streambuf &output, const Functor &allocate, const Functor &save) { FatHeader source(const_cast(idata), isize); @@ -1140,6 +1199,8 @@ static void Allocate(const void *idata, size_t isize, std::streambuf &output, co size_t saved(save(mach_header, output, allocation.limit_, overlap, top)); if (allocation.alloc_ > saved) pad(output, allocation.alloc_ - saved); + else + _assert(allocation.alloc_ == saved); position += allocation.alloc_; } } @@ -1153,13 +1214,15 @@ static void insert(Blobs &blobs, uint32_t slot, const std::stringbuf &buffer) { std::swap(blobs[slot], value); } -static void insert(Blobs &blobs, uint32_t slot, uint32_t magic, const std::stringbuf &buffer) { +static const std::string &insert(Blobs &blobs, uint32_t slot, uint32_t magic, const std::stringbuf &buffer) { auto value(buffer.str()); Blob blob; blob.magic = Swap(magic); blob.length = Swap(uint32_t(sizeof(blob) + value.size())); value.insert(0, reinterpret_cast(&blob), sizeof(blob)); - std::swap(blobs[slot], value); + auto &save(blobs[slot]); + std::swap(save, value); + return save; } static size_t put(std::streambuf &output, uint32_t magic, const Blobs &blobs) { @@ -1318,27 +1381,41 @@ class NullBuffer : } }; +class Hash { + public: + char sha1_[LDID_SHA1_DIGEST_LENGTH]; + char sha256_[LDID_SHA256_DIGEST_LENGTH]; + + operator std::vector() const { + return {sha1_, sha1_ + sizeof(sha1_)}; + } +}; + class HashBuffer : public std::streambuf { private: - std::vector &hash_; - LDID_SHA1_CTX context_; + Hash &hash_; + + LDID_SHA1_CTX sha1_; + LDID_SHA256_CTX sha256_; public: - HashBuffer(std::vector &hash) : + HashBuffer(Hash &hash) : hash_(hash) { - LDID_SHA1_Init(&context_); + LDID_SHA1_Init(&sha1_); + LDID_SHA256_Init(&sha256_); } ~HashBuffer() { - hash_.resize(LDID_SHA1_DIGEST_LENGTH); - LDID_SHA1_Final(reinterpret_cast(hash_.data()), &context_); + LDID_SHA1_Final(reinterpret_cast(hash_.sha1_), &sha1_); + LDID_SHA256_Final(reinterpret_cast(hash_.sha256_), &sha256_); } virtual std::streamsize xsputn(const char_type *data, std::streamsize size) { - LDID_SHA1_Update(&context_, data, size); + LDID_SHA1_Update(&sha1_, data, size); + LDID_SHA256_Update(&sha256_, data, size); return size; } @@ -1358,7 +1435,7 @@ class HashProxy : std::streambuf &buffer_; public: - HashProxy(std::vector &hash, std::streambuf &buffer) : + HashProxy(Hash &hash, std::streambuf &buffer) : HashBuffer(hash), buffer_(buffer) { @@ -1429,12 +1506,13 @@ static void Commit(const std::string &path, const std::string &temp) { namespace ldid { -void Sign(const void *idata, size_t isize, std::streambuf &output, const std::string &identifier, const std::string &entitlements, const std::string &key, const Slots &slots) { +std::vector Sign(const void *idata, size_t isize, std::streambuf &output, const std::string &identifier, const std::string &entitlements, const std::string &requirement, const std::string &key, const Slots &slots) { + std::vector hash(LDID_SHA1_DIGEST_LENGTH); + std::string team; #ifndef LDID_NOSMIME if (!key.empty()) { - std::stringbuf data; Stuff stuff(key); auto name(X509_get_subject_name(stuff)); _assert(name != NULL); @@ -1450,6 +1528,9 @@ void Sign(const void *idata, size_t isize, std::streambuf &output, const std::st } #endif + // XXX: this is just a "sufficiently large number" + size_t certificate(0x3000); + Allocate(idata, isize, output, fun([&](const MachHeader &mach_header, size_t size) -> size_t { size_t alloc(sizeof(struct SuperBlob)); @@ -1457,7 +1538,10 @@ void Sign(const void *idata, size_t isize, std::streambuf &output, const std::st special = std::max(special, CSSLOT_REQUIREMENTS); alloc += sizeof(struct BlobIndex); - alloc += 0xc; + if (requirement.empty()) + alloc += 0xc; + else + alloc += requirement.size(); if (!entitlements.empty()) { special = std::max(special, CSSLOT_ENTITLEMENTS); @@ -1478,8 +1562,7 @@ void Sign(const void *idata, size_t isize, std::streambuf &output, const std::st if (!key.empty()) { alloc += sizeof(struct BlobIndex); alloc += sizeof(struct Blob); - // XXX: this is just a "sufficiently large number" - alloc += 0x3000; + alloc += certificate; } _foreach (slot, slots) @@ -1499,8 +1582,12 @@ void Sign(const void *idata, size_t isize, std::streambuf &output, const std::st if (true) { std::stringbuf data; - Blobs requirements; - put(data, CSMAGIC_REQUIREMENTS, requirements); + if (requirement.empty()) { + Blobs requirements; + put(data, CSMAGIC_REQUIREMENTS, requirements); + } else { + put(data, requirement.data(), requirement.size()); + } insert(blobs, CSSLOT_REQUIREMENTS, data); } @@ -1562,7 +1649,8 @@ void Sign(const void *idata, size_t isize, std::streambuf &output, const std::st put(data, &directory, sizeof(directory)); put(data, identifier.c_str(), identifier.size() + 1); - put(data, team.c_str(), team.size() + 1); + if (!team.empty()) + put(data, team.c_str(), team.size() + 1); uint8_t storage[special + normal][LDID_SHA1_DIGEST_LENGTH]; uint8_t (*hashes)[LDID_SHA1_DIGEST_LENGTH] = storage + special; @@ -1587,7 +1675,8 @@ void Sign(const void *idata, size_t isize, std::streambuf &output, const std::st put(data, storage, sizeof(storage)); - insert(blobs, CSSLOT_CODEDIRECTORY, CSMAGIC_CODEDIRECTORY, data); + const auto &save(insert(blobs, CSSLOT_CODEDIRECTORY, CSMAGIC_CODEDIRECTORY, data)); + sha1(hash, save.data(), save.size()); } #ifndef LDID_NOSMIME @@ -1603,12 +1692,15 @@ void Sign(const void *idata, size_t isize, std::streambuf &output, const std::st std::string value(result); put(data, value.data(), value.size()); - insert(blobs, CSSLOT_SIGNATURESLOT, CSMAGIC_BLOBWRAPPER, data); + const auto &save(insert(blobs, CSSLOT_SIGNATURESLOT, CSMAGIC_BLOBWRAPPER, data)); + _assert(save.size() <= certificate); } #endif return put(output, CSMAGIC_EMBEDDED_SIGNATURE, blobs); })); + + return hash; } #ifndef LDID_NOTOOLS @@ -1635,7 +1727,23 @@ DiskFolder::~DiskFolder() { Commit(commit.first, commit.second); } -void DiskFolder::Find(const std::string &root, const std::string &base, const Functor &)> &)>&code) { +#ifndef __WIN32__ +std::string readlink(const std::string &path) { + for (size_t size(1024); ; size *= 2) { + std::string data; + data.resize(size); + + int writ(_syscall(::readlink(path.c_str(), &data[0], data.size()))); + if (size_t(writ) >= size) + continue; + + data.resize(writ); + return data; + } +} +#endif + +void DiskFolder::Find(const std::string &root, const std::string &base, const Functor &)> &)> &code, const Functor &)> &link) { std::string path(Path(root) + base); DIR *dir(opendir(path.c_str())); @@ -1653,7 +1761,7 @@ void DiskFolder::Find(const std::string &root, const std::string &base, const Fu #ifdef __WIN32__ struct stat info; - _syscall(stat(path.c_str(), &info)); + _syscall(stat((path + name).c_str(), &info)); if (false); else if (S_ISDIR(info.st_mode)) directory = true; @@ -1669,43 +1777,49 @@ void DiskFolder::Find(const std::string &root, const std::string &base, const Fu case DT_REG: directory = false; break; + case DT_LNK: + link(base + name, fun([&]() { return readlink(path + name); })); + continue; default: _assert_(false, "d_type=%u", child->d_type); } #endif if (directory) - Find(root, base + name + "/", code); + Find(root, base + name + "/", code, link); else code(base + name, fun([&](const Functor &code) { std::string access(root + base + name); - _assert_(Open(access, fun([&](std::streambuf &data) { - NullBuffer save; + Open(access, fun([&](std::streambuf &data, const void *flag) { + auto from(path + name); + std::filebuf save; + commit_[from] = Temporary(save, from); code(data, save); - })), "open(): %s", access.c_str()); + })); })); } } -void DiskFolder::Save(const std::string &path, const Functor &code) { +void DiskFolder::Save(const std::string &path, const void *flag, const Functor &code) { std::filebuf save; auto from(Path(path)); commit_[from] = Temporary(save, from); code(save); } -bool DiskFolder::Open(const std::string &path, const Functor &code) { +bool DiskFolder::Look(const std::string &path) { + return _syscall(access(Path(path).c_str(), R_OK), ENOENT) == 0; +} + +void DiskFolder::Open(const std::string &path, const Functor &code) { std::filebuf data; auto result(data.open(Path(path).c_str(), std::ios::binary | std::ios::in)); - if (result == NULL) - return false; - _assert(result == &data); - code(data); - return true; + _assert_(result == &data, "DiskFolder::Open(%s)", path.c_str()); + code(data, NULL); } -void DiskFolder::Find(const std::string &path, const Functor &)> &)>&code) { - Find(path, "", code); +void DiskFolder::Find(const std::string &path, const Functor &)> &)> &code, const Functor &)> &link) { + Find(path, "", code, link); } #endif @@ -1715,16 +1829,38 @@ SubFolder::SubFolder(Folder &parent, const std::string &path) : { } -void SubFolder::Save(const std::string &path, const Functor &code) { - return parent_.Save(path_ + path, code); +void SubFolder::Save(const std::string &path, const void *flag, const Functor &code) { + return parent_.Save(path_ + path, flag, code); +} + +bool SubFolder::Look(const std::string &path) { + return parent_.Look(path_ + path); } -bool SubFolder::Open(const std::string &path, const Functor &code) { +void SubFolder::Open(const std::string &path, const Functor &code) { return parent_.Open(path_ + path, code); } -void SubFolder::Find(const std::string &path, const Functor &)> &)> &code) { - return parent_.Find(path_ + path, code); +void SubFolder::Find(const std::string &path, const Functor &)> &)> &code, const Functor &)> &link) { + return parent_.Find(path_ + path, code, link); +} + +std::string UnionFolder::Map(const std::string &path) { + auto remap(remaps_.find(path)); + if (remap == remaps_.end()) + return path; + return remap->second; +} + +void UnionFolder::Map(const std::string &path, const Functor &)> &)> &code, const std::string &file, const Functor &)> &save) { + if (file.size() >= path.size() && file.substr(0, path.size()) == path) + code(file.substr(path.size()), fun([&](const Functor &code) { + save(fun([&](std::streambuf &data, const void *flag) { + parent_.Save(file, flag, fun([&](std::streambuf &save) { + code(data, save); + })); + })); + })); } UnionFolder::UnionFolder(Folder &parent) : @@ -1732,35 +1868,50 @@ UnionFolder::UnionFolder(Folder &parent) : { } -void UnionFolder::Save(const std::string &path, const Functor &code) { - return parent_.Save(path, code); +void UnionFolder::Save(const std::string &path, const void *flag, const Functor &code) { + return parent_.Save(Map(path), flag, code); +} + +bool UnionFolder::Look(const std::string &path) { + auto file(resets_.find(path)); + if (file != resets_.end()) + return true; + return parent_.Look(Map(path)); } -bool UnionFolder::Open(const std::string &path, const Functor &code) { - auto file(files_.find(path)); - if (file == files_.end()) - return parent_.Open(path, code); +void UnionFolder::Open(const std::string &path, const Functor &code) { + auto file(resets_.find(path)); + if (file == resets_.end()) + return parent_.Open(Map(path), code); + auto &entry(file->second); - auto &data(file->second); + auto &data(entry.first); data.pubseekpos(0, std::ios::in); - code(data); - return true; + code(data, entry.second); } -void UnionFolder::Find(const std::string &path, const Functor &)> &)> &code) { +void UnionFolder::Find(const std::string &path, const Functor &)> &)> &code, const Functor &)> &link) { parent_.Find(path, fun([&](const std::string &name, const Functor &)> &save) { - if (files_.find(path + name) == files_.end()) + if (deletes_.find(path + name) == deletes_.end()) code(name, save); + }), fun([&](const std::string &name, const Functor &read) { + if (deletes_.find(path + name) == deletes_.end()) + link(name, read); })); - for (auto &file : files_) - if (file.first.size() >= path.size() && file.first.substr(0, path.size()) == path) - code(file.first.substr(path.size()), fun([&](const Functor &code) { - parent_.Save(file.first, fun([&](std::streambuf &save) { - file.second.pubseekpos(0, std::ios::in); - code(file.second, save); - })); + for (auto &reset : resets_) + Map(path, code, reset.first, fun([&](const Functor &code) { + auto &entry(reset.second); + entry.first.pubseekpos(0, std::ios::in); + code(entry.first, entry.second); + })); + + for (auto &remap : remaps_) + Map(path, code, remap.first, fun([&](const Functor &code) { + parent_.Open(remap.second, fun([&](std::streambuf &data, const void *flag) { + code(data, flag); })); + })); } #ifndef LDID_NOTOOLS @@ -1818,23 +1969,32 @@ enum Mode { class Expression { private: regex_t regex_; + std::vector matches_; public: Expression(const std::string &code) { - _assert_(regcomp(®ex_, code.c_str(), REG_EXTENDED | REG_NOSUB) == 0, "regcomp()"); + _assert_(regcomp(®ex_, code.c_str(), REG_EXTENDED) == 0, "regcomp()"); + matches_.resize(regex_.re_nsub + 1); } ~Expression() { regfree(®ex_); } - bool operator ()(const std::string &data) const { - auto value(regexec(®ex_, data.c_str(), 0, NULL, 0)); + bool operator ()(const std::string &data) { + regmatch_t matches[matches_.size()]; + auto value(regexec(®ex_, data.c_str(), matches_.size(), matches, 0)); if (value == REG_NOMATCH) return false; _assert_(value == 0, "regexec()"); + for (size_t i(0); i != matches_.size(); ++i) + matches_[i].assign(data.data() + matches[i].rm_so, matches[i].rm_eo - matches[i].rm_so); return true; } + + const std::string &operator [](size_t index) const { + return matches_[index]; + } }; struct Rule { @@ -1883,28 +2043,42 @@ struct RuleCode { }; #ifndef LDID_NOPLIST -void Sign(std::streambuf &buffer, std::vector &hash, std::streambuf &save, const std::string &identifier, const std::string &entitlements, const std::string &key, const Slots &slots) { +static std::vector Sign(const uint8_t *prefix, size_t size, std::streambuf &buffer, Hash &hash, std::streambuf &save, const std::string &identifier, const std::string &entitlements, const std::string &requirement, const std::string &key, const Slots &slots) { // XXX: this is a miserable fail std::stringbuf temp; - copy(buffer, temp); + put(temp, prefix, size); + size += copy(buffer, temp); + // XXX: this is a stupid hack + pad(temp, 0x10 - (size & 0xf)); auto data(temp.str()); HashProxy proxy(hash, save); - Sign(data.data(), data.size(), proxy, identifier, entitlements, key, slots); + return Sign(data.data(), data.size(), proxy, identifier, entitlements, requirement, key, slots); } -std::string Bundle(const std::string &root, Folder &folder, const std::string &key, std::map> &remote, const std::string &entitlements) { +Bundle Sign(const std::string &root, Folder &folder, const std::string &key, std::map &remote, const std::string &entitlements, const std::string &requirement) { std::string executable; std::string identifier; - static const std::string info("Info.plist"); + bool mac(false); - _assert_(folder.Open(info, fun([&](std::streambuf &buffer) { + std::string info("Info.plist"); + if (!folder.Look(info) && folder.Look("Resources/" + info)) { + mac = true; + info = "Resources/" + info; + } + + folder.Open(info, fun([&](std::streambuf &buffer, const void *flag) { plist_d(buffer, fun([&](plist_t node) { executable = plist_s(plist_dict_get_item(node, "CFBundleExecutable")); identifier = plist_s(plist_dict_get_item(node, "CFBundleIdentifier")); })); - })), "open(): Info.plist"); + })); + + if (!mac && folder.Look("MacOS/" + executable)) { + executable = "MacOS/" + executable; + mac = true; + } static const std::string directory("_CodeSignature/"); static const std::string signature(directory + "CodeResources"); @@ -1914,71 +2088,111 @@ std::string Bundle(const std::string &root, Folder &folder, const std::string &k auto &rules1(versions[""]); auto &rules2(versions["2"]); - folder.Open(signature, fun([&](std::streambuf &buffer) { - plist_d(buffer, fun([&](plist_t node) { - // XXX: maybe attempt to preserve existing rules - })); - })); + const std::string resources(mac ? "Resources/" : ""); if (true) { - rules1.insert(Rule{1, NoMode, "^"}); - rules1.insert(Rule{10000, OmitMode, "^(Frameworks/[^/]+\\.framework/|PlugIns/[^/]+\\.appex/|PlugIns/[^/]+\\.appex/Frameworks/[^/]+\\.framework/|())SC_Info/[^/]+\\.(sinf|supf|supp)$"}); - rules1.insert(Rule{1000, OptionalMode, "^.*\\.lproj/"}); - rules1.insert(Rule{1100, OmitMode, "^.*\\.lproj/locversion.plist$"}); - rules1.insert(Rule{10000, OmitMode, "^Watch/[^/]+\\.app/(Frameworks/[^/]+\\.framework/|PlugIns/[^/]+\\.appex/|PlugIns/[^/]+\\.appex/Frameworks/[^/]+\\.framework/)SC_Info/[^/]+\\.(sinf|supf|supp)$"}); + rules1.insert(Rule{1, NoMode, "^" + resources}); + if (!mac) rules1.insert(Rule{10000, OmitMode, "^(Frameworks/[^/]+\\.framework/|PlugIns/[^/]+\\.appex/|PlugIns/[^/]+\\.appex/Frameworks/[^/]+\\.framework/|())SC_Info/[^/]+\\.(sinf|supf|supp)$"}); + rules1.insert(Rule{1000, OptionalMode, "^" + resources + ".*\\.lproj/"}); + rules1.insert(Rule{1100, OmitMode, "^" + resources + ".*\\.lproj/locversion.plist$"}); + if (!mac) rules1.insert(Rule{10000, OmitMode, "^Watch/[^/]+\\.app/(Frameworks/[^/]+\\.framework/|PlugIns/[^/]+\\.appex/|PlugIns/[^/]+\\.appex/Frameworks/[^/]+\\.framework/)SC_Info/[^/]+\\.(sinf|supf|supp)$"}); rules1.insert(Rule{1, NoMode, "^version.plist$"}); } if (true) { rules2.insert(Rule{11, NoMode, ".*\\.dSYM($|/)"}); - rules2.insert(Rule{20, NoMode, "^"}); + rules2.insert(Rule{20, NoMode, "^" + resources}); rules2.insert(Rule{2000, OmitMode, "^(.*/)?\\.DS_Store$"}); - rules2.insert(Rule{10000, OmitMode, "^(Frameworks/[^/]+\\.framework/|PlugIns/[^/]+\\.appex/|PlugIns/[^/]+\\.appex/Frameworks/[^/]+\\.framework/|())SC_Info/[^/]+\\.(sinf|supf|supp)$"}); + if (!mac) rules2.insert(Rule{10000, OmitMode, "^(Frameworks/[^/]+\\.framework/|PlugIns/[^/]+\\.appex/|PlugIns/[^/]+\\.appex/Frameworks/[^/]+\\.framework/|())SC_Info/[^/]+\\.(sinf|supf|supp)$"}); rules2.insert(Rule{10, NestedMode, "^(Frameworks|SharedFrameworks|PlugIns|Plug-ins|XPCServices|Helpers|MacOS|Library/(Automator|Spotlight|LoginItems))/"}); rules2.insert(Rule{1, NoMode, "^.*"}); - rules2.insert(Rule{1000, OptionalMode, "^.*\\.lproj/"}); - rules2.insert(Rule{1100, OmitMode, "^.*\\.lproj/locversion.plist$"}); + rules2.insert(Rule{1000, OptionalMode, "^" + resources + ".*\\.lproj/"}); + rules2.insert(Rule{1100, OmitMode, "^" + resources + ".*\\.lproj/locversion.plist$"}); rules2.insert(Rule{20, OmitMode, "^Info\\.plist$"}); rules2.insert(Rule{20, OmitMode, "^PkgInfo$"}); - rules2.insert(Rule{10000, OmitMode, "^Watch/[^/]+\\.app/(Frameworks/[^/]+\\.framework/|PlugIns/[^/]+\\.appex/|PlugIns/[^/]+\\.appex/Frameworks/[^/]+\\.framework/)SC_Info/[^/]+\\.(sinf|supf|supp)$"}); + if (!mac) rules2.insert(Rule{10000, OmitMode, "^Watch/[^/]+\\.app/(Frameworks/[^/]+\\.framework/|PlugIns/[^/]+\\.appex/|PlugIns/[^/]+\\.appex/Frameworks/[^/]+\\.framework/)SC_Info/[^/]+\\.(sinf|supf|supp)$"}); rules2.insert(Rule{10, NestedMode, "^[^/]+$"}); rules2.insert(Rule{20, NoMode, "^embedded\\.provisionprofile$"}); rules2.insert(Rule{20, NoMode, "^version\\.plist$"}); } - std::map> local; + std::map local; - static Expression nested("^PlugIns/[^/]*\\.appex/Info\\.plist$"); - static Expression dylib("^[^/]*\\.dylib$"); + std::string failure(mac ? "Contents/|Versions/[^/]*/Resources/" : ""); + Expression nested("^(Frameworks/[^/]*\\.framework|PlugIns/[^/]*\\.appex(()|/[^/]*.app))/(" + failure + ")Info\\.plist$"); + std::map bundles; folder.Find("", fun([&](const std::string &name, const Functor &)> &code) { if (!nested(name)) return; auto bundle(root + Split(name).dir); + bundle.resize(bundle.size() - resources.size()); SubFolder subfolder(folder, bundle); - Bundle(bundle, subfolder, key, local, ""); + bundles[nested[1]] = Sign(bundle, subfolder, key, local, "", ""); + }), fun([&](const std::string &name, const Functor &read) { })); - folder.Find("", fun([&](const std::string &name, const Functor &)> &code) { + std::set excludes; + + auto exclude([&](const std::string &name) { // BundleDiskRep::adjustResources -> builder.addExclusion if (name == executable || Starts(name, directory) || Starts(name, "_MASReceipt/") || name == "CodeResources") + return true; + + for (const auto &bundle : bundles) + if (Starts(name, bundle.first + "/")) { + excludes.insert(name); + return true; + } + + return false; + }); + + std::map links; + + folder.Find("", fun([&](const std::string &name, const Functor &)> &code) { + if (exclude(name)) return; - auto &hash(local[name]); - if (!hash.empty()) + if (local.find(name) != local.end()) return; + auto &hash(local[name]); code(fun([&](std::streambuf &data, std::streambuf &save) { - if (dylib(name)) { - Slots slots; - Sign(data, hash, save, identifier, "", key, slots); - } else { - HashProxy proxy(hash, save); - copy(data, proxy); - } + union { + struct { + uint32_t magic; + uint32_t count; + }; + + uint8_t bytes[8]; + } header; + + auto size(most(data, &header.bytes, sizeof(header.bytes))); + + if (name != "_WatchKitStub/WK" && size == sizeof(header.bytes)) + switch (Swap(header.magic)) { + case FAT_MAGIC: + // Java class file format + if (Swap(header.count) >= 40) + break; + case FAT_CIGAM: + case MH_MAGIC: case MH_MAGIC_64: + case MH_CIGAM: case MH_CIGAM_64: + Slots slots; + Sign(header.bytes, size, data, hash, save, identifier, "", "", key, slots); + return; + } + + HashProxy proxy(hash, save); + put(proxy, header.bytes, size); + copy(data, proxy); })); + }), fun([&](const std::string &name, const Functor &read) { + if (exclude(name)) + return; - _assert(hash.size() == LDID_SHA1_DIGEST_LENGTH); + links[name] = read(); })); auto plist(plist_new_dict()); @@ -1991,20 +2205,48 @@ std::string Bundle(const std::string &root, Folder &folder, const std::string &k for (const auto &rule : version.second) rule.Compile(); + bool old(&version.second == &rules1); + for (const auto &hash : local) for (const auto &rule : version.second) if (rule(hash.first)) { - if (rule.mode_ == NoMode) - plist_dict_set_item(files, hash.first.c_str(), plist_new_data(hash.second.data(), hash.second.size())); - else if (rule.mode_ == OptionalMode) { + if (!old && mac && excludes.find(hash.first) != excludes.end()); + else if (old && rule.mode_ == NoMode) + plist_dict_set_item(files, hash.first.c_str(), plist_new_data(hash.second.sha1_, sizeof(hash.second.sha1_))); + else if (rule.mode_ != OmitMode) { auto entry(plist_new_dict()); - plist_dict_set_item(entry, "hash", plist_new_data(hash.second.data(), hash.second.size())); - plist_dict_set_item(entry, "optional", plist_new_bool(true)); + plist_dict_set_item(entry, "hash", plist_new_data(hash.second.sha1_, sizeof(hash.second.sha1_))); + if (!old) + plist_dict_set_item(entry, "hash2", plist_new_data(hash.second.sha256_, sizeof(hash.second.sha256_))); + if (rule.mode_ == OptionalMode) + plist_dict_set_item(entry, "optional", plist_new_bool(true)); plist_dict_set_item(files, hash.first.c_str(), entry); } break; } + + for (const auto &link : links) + for (const auto &rule : version.second) + if (rule(link.first)) { + if (rule.mode_ != OmitMode) { + auto entry(plist_new_dict()); + plist_dict_set_item(entry, "symlink", plist_new_string(link.second.c_str())); + if (rule.mode_ == OptionalMode) + plist_dict_set_item(entry, "optional", plist_new_bool(true)); + plist_dict_set_item(files, link.first.c_str(), entry); + } + + break; + } + + if (!old && mac) + for (const auto &bundle : bundles) { + auto entry(plist_new_dict()); + plist_dict_set_item(entry, "cdhash", plist_new_data(bundle.second.hash.data(), bundle.second.hash.size())); + plist_dict_set_item(entry, "requirement", plist_new_string("anchor apple generic")); + plist_dict_set_item(files, bundle.first.c_str(), entry); + } } for (const auto &version : versions) { @@ -2046,7 +2288,7 @@ std::string Bundle(const std::string &root, Folder &folder, const std::string &k } } - folder.Save(signature, fun([&](std::streambuf &save) { + folder.Save(signature, NULL, fun([&](std::streambuf &save) { HashProxy proxy(local[signature], save); char *xml(NULL); uint32_t size; @@ -2055,19 +2297,27 @@ std::string Bundle(const std::string &root, Folder &folder, const std::string &k put(proxy, xml, size); })); - folder.Open(executable, fun([&](std::streambuf &buffer) { - folder.Save(executable, fun([&](std::streambuf &save) { + Bundle bundle; + bundle.path = executable; + + folder.Open(executable, fun([&](std::streambuf &buffer, const void *flag) { + folder.Save(executable, flag, fun([&](std::streambuf &save) { Slots slots; slots[1] = local.at(info); slots[3] = local.at(signature); - Sign(buffer, local[executable], save, identifier, entitlements, key, slots); + bundle.hash = Sign(NULL, 0, buffer, local[executable], save, identifier, entitlements, requirement, key, slots); })); })); - for (const auto &hash : local) - remote[root + hash.first] = hash.second; + for (const auto &entry : local) + remote[root + entry.first] = entry.second; - return executable; + return bundle; +} + +Bundle Sign(const std::string &root, Folder &folder, const std::string &key, const std::string &entitlements, const std::string &requirement) { + std::map local; + return Sign(root, folder, key, local, entitlements, requirement); } #endif @@ -2089,6 +2339,7 @@ int main(int argc, char *argv[]) { bool flag_r(false); bool flag_e(false); + bool flag_q(false); #ifndef LDID_NOFLAGT bool flag_T(false); @@ -2115,6 +2366,7 @@ int main(int argc, char *argv[]) { #endif Map entitlements; + Map requirement; Map key; ldid::Slots slots; @@ -2151,6 +2403,13 @@ int main(int argc, char *argv[]) { sha1(slots[number], file.data(), file.size()); } break; + case 'q': flag_q = true; break; + + case 'Q': { + const char *xml = argv[argi] + 2; + requirement.open(xml, O_RDONLY, PROT_READ, MAP_PRIVATE); + } break; + case 'D': flag_D = true; break; case 'a': flag_a = true; break; @@ -2235,8 +2494,7 @@ int main(int argc, char *argv[]) { #ifndef LDID_NOPLIST _assert(!flag_r); ldid::DiskFolder folder(path); - std::map> hashes; - path += "/" + Bundle("", folder, key, hashes, entitlements); + path += "/" + Sign("", folder, key, entitlements, requirement).path; #else _assert(false); #endif @@ -2251,7 +2509,7 @@ int main(int argc, char *argv[]) { ldid::Unsign(input.data(), input.size(), output); else { std::string identifier(flag_I ?: split.base.c_str()); - ldid::Sign(input.data(), input.size(), output, identifier, entitlements, key, slots); + ldid::Sign(input.data(), input.size(), output, identifier, entitlements, requirement, key, slots); } Commit(path, temp); @@ -2344,6 +2602,23 @@ int main(int argc, char *argv[]) { } } + if (flag_q) { + _assert(signature != NULL); + + uint32_t data = mach_header.Swap(signature->dataoff); + + uint8_t *top = reinterpret_cast(mach_header.GetBase()); + uint8_t *blob = top + data; + struct SuperBlob *super = reinterpret_cast(blob); + + for (size_t index(0); index != Swap(super->count); ++index) + if (Swap(super->index[index].type) == CSSLOT_REQUIREMENTS) { + uint32_t begin = Swap(super->index[index].offset); + struct Blob *requirement = reinterpret_cast(blob + begin); + fwrite(requirement, 1, Swap(requirement->length), stdout); + } + } + if (flag_s) { _assert(signature != NULL); @@ -2356,7 +2631,7 @@ int main(int argc, char *argv[]) { for (size_t index(0); index != Swap(super->count); ++index) if (Swap(super->index[index].type) == CSSLOT_CODEDIRECTORY) { uint32_t begin = Swap(super->index[index].offset); - struct CodeDirectory *directory = reinterpret_cast(blob + begin); + struct CodeDirectory *directory = reinterpret_cast(blob + begin + sizeof(Blob)); uint8_t (*hashes)[LDID_SHA1_DIGEST_LENGTH] = reinterpret_cast(blob + begin + Swap(directory->hashOffset)); uint32_t pages = Swap(directory->nCodeSlots);